1334627978121 has 9 divisors (see below), whose sum is σ = 1927800974541. Its totient is φ = 889749674892.

The previous prime is 1334627978111. The next prime is 1334627978161. The reversal of 1334627978121 is 1218797264331.

The square root of 1334627978121 is 1155261.

It is a perfect power (a square), and thus also a powerful number.

1334627978121 is a `hidden beast` number, since 1 + 3 + 3 + 4 + 627 + 9 + 7 + 8 + 1 + 2 + 1 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 1334627978121 - 2⁹ = 1334627977609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1334627978111) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3273240 + ... + 3658326.

Almost surely, 2^{1334627978121} is an apocalyptic number.

1334627978121 is the 1155261-st square number.

1334627978121 is the 577631-st centered octagonal number.

It is an amenable number.

1334627978121 is a deficient number, since it is larger than the sum of its proper divisors (593172996420).

1334627978121 is an frugal number, since it uses more digits than its factorization.

1334627978121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770180 (or 385090 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The spelling of 1334627978121 in words is "one trillion, three hundred thirty-four billion, six hundred twenty-seven million, nine hundred seventy-eight thousand, one hundred twenty-one".